Article III. In consideration of the great extent of the foregoing cession, the United States stipulate and agree to pay to the said confederated tribes annually, for thirty successive years, the first payment to be made in September of the next year, the sum of twenty thousand dollars in specie. Article IV. It is further agreed that the United States shall establish and maintain within the limits, and for the use and benefit of the Sacs and Foxes, for the period of thirty years, one additional black and gunsmith shop, with the necessary tools, iron and steel; and finally make a yearly allowance for the same period, to the said tribes, of forty kegs of tobacco and forty barrels of salt, to be delivered at the mouth of the Ioway River. Article V. The United States, at the earnest request of the said confederated tribes, further agree to pay to Farnham and Davenport, Indian traders at Rock Island, the sum of forty thousand dollars without interest, which sum will be in full satisfaction of the claims of the said traders against the said tribes, and by the latter was, on the tenth day of July, one thousand eight hundred and thirty-one, acknowledged to be justly due for articles of necessity, furnished, in the course of the seven preceding years, in an instrument of writing of said date, duly signed by the Chiefs and Headmen of said tribes, and certified by the late Felix St. Vrain, United States agent, and Antoine LeClaire, United States interpreter, both for the said tribes. Article VI. At the special request of the said confederated tribes, the United States agree to grant, by patent in fee simple, to Antoine LeClaire, Interpreter, a part Indian, one section of land opposite Rock Island, and one section at the head of the first rapids above said island, within the country herein ceded by the Sacs and Foxes. Article VII. Trusting to the good faith of the neutral bands of Sacs and Foxes, the United States have already delivered up to those bands the great mass of prisoners made in the course of the war by the United States, and promise to use their influence to procure the delivery of other Sacs and Foxes, who may still be prisoners in the hands of a band of Sioux Indians, the friends of the United States; but the following named prisoners of war, now in confinement, who were Chiefs and Headmen, shall be held as hostages for the future good conduct of the late hostile bands, during the pleasure of the President of the United States, viz.: Muk-ka-ta-mish-a-ka-kaik (or Black Hawk) and his two sons; Wau-ba-kee-shik (the Prophet), his brother and two sons; Na-pope, We-sheet Ioway, Pa-ma-ho, and Cha-kee-pa-shi-pa-ho (the Little Stabbing Chief).